<em><u>Initiative process</u></em><em><u> is a process in which citizens can put a proposed new law directly on the ballot in the next election by collecting voters' signatures on a petition. It is a form of direct democracy.</u></em>
Referendum on the other hand allows citizens to approve or reject a law passed by the legislature.
Recall is a procedure that permits voters to remove public officials from office before the next election.
One of the main reasons why foreign interest in Persia and Saudi Arabia increased in the first half of the twentieth century was because of their massive amounts of oil reserves.